Allowance bank



FIG. 1 is a perspective view of an allowance bank showing my new design;

FIG. 2 is a right side elevational view thereof, the left sideelevational view being a mirror image thereof.

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for an allowance bank, shown and described.